CN106092281A - A kind of intelligent electronic-scale system - Google Patents
A kind of intelligent electronic-scale system Download PDFInfo
- Publication number
- CN106092281A CN106092281A CN201610502626.1A CN201610502626A CN106092281A CN 106092281 A CN106092281 A CN 106092281A CN 201610502626 A CN201610502626 A CN 201610502626A CN 106092281 A CN106092281 A CN 106092281A
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- China
- Prior art keywords
- module
- intelligent electronic
- processing module
- scale system
- single chip
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
- G01G3/14—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of electrical resistance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G21/00—Details of weighing apparatus
- G01G21/28—Frames, Housings
- G01G21/283—Details related to a user interface
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/12—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing
- G01G3/14—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a solid body stressed by pressure or tension during weighing measuring variations of electrical resistance
- G01G3/142—Circuits specially adapted therefor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
The invention discloses a kind of intelligent electronic-scale system, described intelligent electronic-scale system includes data acquisition module, signal processing module, single chip processing module and the display module being sequentially connected with, alarm module and keystroke handling module it is additionally provided with above described single chip processing module, described data acquisition module and described signal processing module are provided directly with filter circuit, described intelligent electronic-scale system also includes removing the peel button, is electrically connected to described single chip processing module；Use the technical program that the result obtained not only accuracy is improved, and the most directly perceived, preferably experience to user, and also add alarm module so that the function of electronic scale is more perfect.
Description
Technical field
The invention belongs to smart electronics field, be specifically related to a kind of intelligent electronic-scale system.
Background technology
Intelligent electronic-scale is a kind of weight-measuring device commonly used in daily life, and it have employed electronic technology, sensor
Technology etc., the error of measurement is little, can the requirement of " accurately and fast, automatically " well be met.In actual life, school,
Market, factory, hospitals and other places are obtained for promotion and application widely, in international community, and a lot of western developed country developments
The electronic scale accuracy gone out is high, and reliability is high, it may be said that reached the highest level.They have developed have higher
Accuracy, waterproof, corrosion-resistant and normal work at high pressure electronic scale.At present, China is in electronic scale weighing technology
Although still there are some gaps with western developed country.
Accordingly, it is desirable to provide a kind of precision is higher, the higher intelligent electronic-scale of accuracy promotes domestic technique.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of intelligent electronic-scale system so that electronic scale
Precision and reliability are guaranteed.
A kind of intelligent electronic-scale system, described intelligent electronic-scale system includes data acquisition module, the signal being sequentially connected with
Processing module, single chip processing module and display module, be additionally provided with above described single chip processing module alarm module and by
Key processing module, described data acquisition module and described signal processing module are provided directly with filter circuit, described smart electronics
Scale system also includes removing the peel button, is electrically connected to described single chip processing module, when described peeling button is pressed, described
Single chip processing module is additionally operable to, after default peeling count down time arrives, be held by the multiple pressure transducers calculated
The gravimetric value being subject to has the zero point of the weighing when portable electron device of function of weighing is weighed, to have described described in being set to
The portable electron device of function of weighing is removed the peel.
Preferably, described data acquisition module for this non electrical quantity of weight of object is converted to voltage or electric current this
A little electricity forms, in order to follow-up process, output.
Preferably, described data acquisition module includes that pressure transducer, described pressure transducer are resistive pressure sensing
Device.
Preferably, described signal processing module amplifies for signal to be changed with signal, turns with A/D including signal amplification module
Die change block.
Preferably, described display module should be mainly used in showing the weight of object, unit price, total price.
Preferably, described keystroke handling module is for being manually entered the unit price of article, it is achieved man-machine interaction.
Preferably, described signal processing module uses high-precision A/D converter HX711.
Technical scheme has the advantages that
A kind of intelligent electronic-scale system that the present invention provides, is converted into electricity by sensor assembly by this non electrical quantity of weight of object
Amount so that the electricity of sensor output has certain corresponding relation with the weight of object, at the data to sensor output
Reason；Carrying out the process to signal with single-chip microcomputer, the result so obtained not only accuracy is improved, and the most directly perceived,
Preferably experience to user, and also add alarm module so that the function of electronic scale is more perfect, is processed by single-chip microcomputer
The weight of the module portable electron device self to having function of weighing is removed the peel, and improves the degree of accuracy weighed.
Accompanying drawing explanation
Below by drawings and Examples, technical scheme is described in further detail.
Fig. 1 is the system block diagram of the present invention a kind of intelligent electronic-scale system.
Detailed description of the invention
In order to have a clear understanding of technical scheme, its detailed structure be will be set forth in the description that follows.Obviously, originally
The concrete also deficiency of implementing of inventive embodiments is limited to the specific details that those skilled in the art is familiar with.The present invention's is preferred real
Execute example to be described in detail as follows, in addition to these embodiments described in detail, it is also possible to there is other embodiments.
With embodiment, the present invention is described in further details below in conjunction with the accompanying drawings.
With reference to Fig. 1, a kind of intelligent electronic-scale system disclosed in figure, described intelligent electronic-scale system includes being sequentially connected with
Data acquisition module, signal processing module, single chip processing module and display module, also set above described single chip processing module
It is equipped with alarm module and keystroke handling module, described data acquisition module and described signal processing module and is provided directly with filtered electrical
Road, described intelligent electronic-scale system also includes removing the peel button, is electrically connected to described single chip processing module, when described peeling is pressed
When key is pressed, described single chip processing module is additionally operable to after a peeling count down time preset arrives, by calculate
The gravimetric value that multiple pressure transducers are born has the title when portable electron device of function of weighing is weighed described in being set to
Weight zero point, to remove the peel the described portable electron device with function of weighing.
The control chip of described single chip processing module is STC89C52, and the effect of data acquisition module circuit is by object
This non electrical quantity of weight, be converted to voltage or these electricity forms of electric current, in order to follow-up process, output, it is therefore desirable to
Using pressure transducer, in order to improve design accuracy, degree of accuracy and reliability, the present embodiment uses resistive pressure sensing
Device, various mechanics physical quantitys can be converted to the signal of telecommunication, mainly by resistance strain effect system by resistance strain type sensor
Become；The main devices of data processing module is rheostat pressure transducer.Rheostat pressure transducer is according to resistance-strain
Effect principle is made.Resistance strain effect refers to when the effect of conductor stress, during external shape generation mechanical deformation, and internal electricity
Also there is the phenomenon of respective change in resistance.The signal that resistance strain gage changes the signal transfer resistance of conductor deformation, but due to
The resistance value of change is smaller, directly measures the result inaccuracy obtained.Therefore, specific change-over circuit is generally used
The change of resistance is converted into the change of voltage or electric current.This change-over circuit is through frequently with direct-current bridge.
Resistive pressure sensor is a conventional sensor, has a lot of advantages.Use sensitiveer, measure essence
Degree height, stability is preferable, and resolving power is high；Application ratio is wide, and many mechanical quantity sensors can use foil gauge system
Form；Volume is little, simple in construction；Simple to operation, better user experience, it is simple to telemeasurement and commercialization development；
The highest to environmental requirement, can the most normally work, adapt to ability outstanding, superior performance in terms of frequency response.
Signal processing module includes that signal amplifies in the present system and changes two functions, so signal should be included with signal
Amplification module and A/D modular converter, use integrated high-precision a/d converter HX711, be not only integrated with signal and put inside X711
Big module, and contain a high-precision 24 A/D converters, moreover, inside HX711, also it is integrated with amplification
With translation function required for some peripheral circuits, such as regulated power supply, clock oscillator etc..Its advantage is that degree of accuracy is high, becomes
This is low, and capacity of resisting disturbance is remarkable by force and response is rapid.Additionally, mainly driven by pin between HX711 and single-chip microcomputer,
Interface circuit is simple, it is not necessary to be programmed the depositor in chip；HX711 is that a electronic scale design A/D that aims at changes
Device, is the A/D converter of 24.It is by an amplification adjustable signal amplification module and an A/D modular converter
Being integrated in inside, function is the most powerful.Chip has two passages A, B, input switch be connected with internal programmable amplifier
Fetch and select.The programmable-gain of passage A is 128 or 64.The programmable-gain of passage B is 32.HX711 is internal the most integrated
Complete to amplify and translation function more required peripheral circuits, such as regulated power supply, clock oscillator etc..For simplifying start
Initialization procedure, HX711 uses to power on and automatically resets
Display module should be mainly used in showing the weight of object, unit price, total price, is mainly designed to make every effort to make alternating interface between man and computer
Attractive in appearance, use LCD liquid crystal display, brilliant display module can demonstrate character, be therefore often used in as character display module,
Single chip application use more.It not only shows abundant in content, also has the advantage that a lot of charactron does not possesses.LCD1602
The most low in energy consumption, driving voltage is little, display contains much information, and uses the cycle long, radiation will not be produced and pollute, LCD1602
Belong to one the most commonly used in liquid crystal display device.Its running voltage is 5V, has 8 bit data bus and three control ends
Mouth, and also the brightness of display can be regulated, 16 characters of 2 row can be shown, and possess all of LCD MODULE
Advantage.
Key circuit module is mainly used to be manually entered the unit price of article, it is achieved the function of man-machine interaction, uses 4 matrixes thin
Film keyboard, * 4 matrix film keyboards belong to the one of thin film switch, by upper circuit, panel, lower circuit, four part groups of sealing coat
Become, be internally integrated 16 little key switches, and arranging according to matrix form.It is a kind of recent popular collection
Functional and ornamental in one operating system, not only good looking appearance, volume are little, and sealing is strong, have dust-proof, moistureproof etc.
Advantage；Matrix keyboard uses generally as the external equipment of single-chip microcomputer, generally key arrangement is become matrix form.At square
In configuration keyboard, every vertical line and horizontal line all use a button to connect at infall, it is impossible to directly connect.Horizontal line and
Vertical line stretches out 8 wires after intersecting, and is connected to a port of single-chip microcomputer, may be constructed 16 keypress functions, compared to directly
Connect and button has been connected with port how one times.Therefore, when the button needed is more, using matrix method to do keyboard is ten deciliters
Reason.
Alarm module is mainly made up of buzzer, is that buzzer will send police when the weight of article exceeds the range of electronic scale
Report sound, to prevent device to be damaged, alert circuit connected in series receives a port of single-chip microcomputer.But during single-chip microcomputer output high level
Voltage be equivalent to Vcc, the rated voltage of buzzer be less than 5V, in order to protection circuit can add resistance, the internal resistance of buzzer
For hundreds of ohm, select R=1000 ohm.In addition to more preferable protection circuit, typically it is additionally added NPN type triode.Utilize three
Pole guarantee adequate food and, cut-off time characteristic regard switch use.In the design during no to scale, single-chip microcomputer output high level, now
Triode ON, buzzer sends alarm, otherwise, do not send alarm.
A kind of intelligent electronic-scale system that the present invention provides, is converted this non electrical quantity of weight of object by sensor assembly
For electricity so that sensor output the weight of electricity and object have certain corresponding relation, the data to sensor output
Process；Carrying out the process to signal with single-chip microcomputer, the result so obtained not only accuracy is improved, and compares
Intuitively, preferably experience to user, and also add alarm module so that the function of electronic scale is more perfect.
Finally should be noted that: above example is only in order to illustrate that technical scheme is not intended to limit, to the greatest extent
The present invention has been described in detail by pipe with reference to above-described embodiment, and those of ordinary skill in the field still can be to this
Bright detailed description of the invention is modified or equivalent, these without departing from spirit and scope of the invention any amendment or
Equivalent, all within the claims that application is awaited the reply.
Claims (7)
1. an intelligent electronic-scale system, it is characterised in that described intelligent electronic-scale system includes the data acquisition being sequentially connected with
Module, signal processing module, single chip processing module and display module, be additionally provided with warning above described single chip processing module
Module and keystroke handling module, described data acquisition module and described signal processing module are provided directly with filter circuit, described
Intelligent electronic-scale system also includes removing the peel button, is electrically connected to described single chip processing module, when described peeling button is pressed
Time lower, described single chip processing module is additionally operable to after default peeling count down time arrives, the multiple pressure that will calculate
The gravimetric value that sensor is born has the zero point of the weighing when portable electron device of function of weighing is weighed described in being set to, with
The described portable electron device with function of weighing is removed the peel.
Intelligent electronic-scale system the most according to claim 1, it is characterised in that described data acquisition module is for by object
This non electrical quantity of weight be converted to voltage or these electricity forms of electric current, in order to follow-up process, output.
Intelligent electronic-scale system the most according to claim 2, it is characterised in that described data acquisition module includes that pressure passes
Sensor, described pressure transducer is resistive pressure sensor.
Intelligent electronic-scale system the most according to claim 1, it is characterised in that described signal processing module is put for signal
Big and signal is changed, including signal amplification module and A/D modular converter.
Intelligent electronic-scale system the most according to claim 1, it is characterised in that described display module should be mainly used in showing
Show the weight of object, unit price, total price.
Intelligent electronic-scale system the most according to claim 1, it is characterised in that described keystroke handling module is for the most defeated
Enter the unit price of article, it is achieved man-machine interaction.
Intelligent electronic-scale system the most according to claim 1, it is characterised in that described signal processing module uses height
The A/D converter HX711 of precision.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502626.1A CN106092281A (en) | 2016-07-01 | 2016-07-01 | A kind of intelligent electronic-scale system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610502626.1A CN106092281A (en) | 2016-07-01 | 2016-07-01 | A kind of intelligent electronic-scale system |
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| Publication Number | Publication Date |
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| CN106092281A true CN106092281A (en) | 2016-11-09 |
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ID=57214084
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610502626.1A Pending CN106092281A (en) | 2016-07-01 | 2016-07-01 | A kind of intelligent electronic-scale system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827441A (en) * | 2018-04-10 | 2018-11-16 | 南京邮电大学 | A kind of super low-power consumption electronic scale based on hx711 chip |
| CN109724683A (en) * | 2019-01-09 | 2019-05-07 | 盈奇科技（深圳）有限公司 | A kind of system and method improving gravity sensing precision |
Citations (6)
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|---|---|---|---|---|
| CN101118173A (en) * | 2007-09-10 | 2008-02-06 | 刘昭元 | Minisize electronic scales |
| CN202119511U (en) * | 2011-04-27 | 2012-01-18 | 昆山市苏俊电子有限公司 | Digital intelligent electronic scale |
| CN102798454A (en) * | 2012-08-14 | 2012-11-28 | 昆山大百科实验室设备工程有限公司 | Miniature electronic balance |
| CN103196534A (en) * | 2012-12-28 | 2013-07-10 | 中山市永衡日用制品有限公司 | Electronic scale system with wireless transmission function |
| CN203249684U (en) * | 2013-03-15 | 2013-10-23 | 大连聚农创新科技发展有限公司 | An intelligent electronic scale |
| CN104535144A (en) * | 2014-11-25 | 2015-04-22 | 苏州能斯达电子科技有限公司 | Intelligent portable flexible electronic scale |
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2016
- 2016-07-01 CN CN201610502626.1A patent/CN106092281A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101118173A (en) * | 2007-09-10 | 2008-02-06 | 刘昭元 | Minisize electronic scales |
| CN202119511U (en) * | 2011-04-27 | 2012-01-18 | 昆山市苏俊电子有限公司 | Digital intelligent electronic scale |
| CN102798454A (en) * | 2012-08-14 | 2012-11-28 | 昆山大百科实验室设备工程有限公司 | Miniature electronic balance |
| CN103196534A (en) * | 2012-12-28 | 2013-07-10 | 中山市永衡日用制品有限公司 | Electronic scale system with wireless transmission function |
| CN203249684U (en) * | 2013-03-15 | 2013-10-23 | 大连聚农创新科技发展有限公司 | An intelligent electronic scale |
| CN104535144A (en) * | 2014-11-25 | 2015-04-22 | 苏州能斯达电子科技有限公司 | Intelligent portable flexible electronic scale |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827441A (en) * | 2018-04-10 | 2018-11-16 | 南京邮电大学 | A kind of super low-power consumption electronic scale based on hx711 chip |
| CN109724683A (en) * | 2019-01-09 | 2019-05-07 | 盈奇科技（深圳）有限公司 | A kind of system and method improving gravity sensing precision |
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Application publication date: 20161109 |